http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111138160-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2111-00724 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2111-23 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B28-344 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K8-467 |
| classificationIPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B111-23 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B28-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-467 |
| filingDate | 2020-01-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-03-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-03-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-111138160-B |
| titleOfInvention | H2S corrosion-resistant cement, preparation method and application thereof, and well cementation cement sheath |
| abstract | The invention relates to a H-resistant steel 2 S corrosion cement, preparation method and application thereof, and well cementation cement sheath, belonging to the technical field of sulfur-containing oil and gas well cementing and being H-resistant 2 S corrosion cement, by weight, the H corrosion resistant cement 2 The S corrosion cement comprises the following components: 100 parts of aluminate cement or sulphoaluminate cement, 5-50 parts of phosphate, 20-80 parts of alumina and 5-100 parts of filling material, wherein the filling material comprises at least one of the following components: kaolin, bauxite; the embodiment of the invention provides the H resistance 2 S corrosion cement having excellent H resistance 2 S corrosion ability, tested at 80 ℃ and H 2 The compression strength of the S partial pressure is not reduced but increased by 41 percent at the highest after 28 days of corrosion under the condition of 2MPa of S partial pressure. |
| priorityDate | 2020-01-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 53.